Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r57174:096738ec54d5
Date: 2012-09-06 13:30 +0200
http://bitbucket.org/pypy/pypy/changeset/096738ec54d5/
Log: Add a test for int128 in the C backend.
diff --git a/pypy/rlib/rbigint.py b/pypy/rlib/rbigint.py
--- a/pypy/rlib/rbigint.py
+++ b/pypy/rlib/rbigint.py
@@ -7,12 +7,10 @@
from pypy.rlib import jit
from pypy.rpython.lltypesystem import lltype, rffi
from pypy.rpython import extregistry
-from pypy.rpython.tool import rffi_platform
-from pypy.translator.tool.cbuild import ExternalCompilationInfo
import math, sys
-SUPPORT_INT128 = rffi_platform.has('__int128_t', '')
+SUPPORT_INT128 = hasattr(rffi, '__INT128_T')
# note about digit sizes:
# In division, the native integer type must be able to hold
diff --git a/pypy/translator/c/primitive.py b/pypy/translator/c/primitive.py
--- a/pypy/translator/c/primitive.py
+++ b/pypy/translator/c/primitive.py
@@ -12,8 +12,7 @@
from pypy.rpython.lltypesystem.llarena import RoundedUpForAllocation
from pypy.translator.c.support import cdecl, barebonearray
-from pypy.rpython.tool import rffi_platform
-SUPPORT_INT128 = rffi_platform.has('__int128_t', '')
+SUPPORT_INT128 = hasattr(rffi, '__INT128_T')
# ____________________________________________________________
#
diff --git a/pypy/translator/c/test/test_typed.py
b/pypy/translator/c/test/test_typed.py
--- a/pypy/translator/c/test/test_typed.py
+++ b/pypy/translator/c/test/test_typed.py
@@ -896,6 +896,21 @@
res = f(-2000000000)
assert res == -200000000000000
+ def test_int128(self):
+ from pypy.rpython.lltypesystem import rffi
+ if not hasattr(rffi, '__INT128_T'):
+ py.test.skip("no '__int128_t'")
+ def func(n):
+ x = rffi.cast(getattr(rffi, '__INT128_T'), n)
+ x *= x
+ x *= x
+ x *= x
+ x *= x
+ return intmask(x >> 96)
+ f = self.getcompiled(func, [int])
+ res = f(217)
+ assert res == 305123851
+
def test_bool_2(self):
from pypy.rpython.lltypesystem import lltype, rffi
def func(n):
_______________________________________________
pypy-commit mailing list
pypy-commit@python.org
http://mail.python.org/mailman/listinfo/pypy-commit
